1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Yuki888 [10]
2 years ago
11

How many solutions does this system have?

Mathematics
2 answers:
Leokris [45]2 years ago
7 0

Answer:

The correct option is d.

Step-by-step explanation:

The given equations are

x-2y=2                 .... (1)

y=-2x+5               .... (2)

In equation 2, multiply both sides by 2.

2y=-4x+10               .... (3)

Now add equation (1) and (3).

x-2y+2y=2+(-4x+10)

x=2-4x+10

x+4x=12

5x=12

Divide both sides by 5.

x=\frac{12}{5}=2.4

Put this value in equation (2).

y=-2(2.4)+5

y=-4.8+5

y=0.2

Therefore the solution of the system of equation is (2.4,0.2) and the system has only one solution. Option d is correct.

Nesterboy [21]2 years ago
4 0
X-2y=2
y=-2x+5
A. Infinitely many solutions
B. No Solutions
C. Two Solutions
D. One Solution*****
You might be interested in
8. The high school graduating class of 2000 was 260 students. Five years later, the graduating class was 320 students. By 2010,
olga nikolaevna [1]

Answer:

the question is confusing but the answer is 2010

Step-by-step explanation:

because in the year 2000 it was

260

then increased by

60

over 5 years making the next class

320

then in 2010 it was

400

and 320 + what is 400?

80

so the answer is:

2010

4 0
2 years ago
Please help it's due i will give brainly
Alinara [238K]

Answer: 1) You forgot to change the sign over there. You have to subtract over there.

2) Just be careful while solving equations while changing the signs

5 0
2 years ago
Please help
earnstyle [38]

Please consider the graph of the sphere.

We know that the volume of sphere is equal to \frac{4}{3}\pi r^3, where r represents radius of sphere.

We can see that diameter of sphere is 30 inches. We know that radius is half the diameter, so radius of the given sphere would be half of 30 inches that is \frac{30}{2}=15 inches.

V=\frac{4}{3}\pi r^3

V=\frac{4}{3}\pi (15\text{ in})^3

V=\frac{4}{3}\pi \times 3375\text{ in}^3

V=4\times 1125\pi \text{ in}^3

V=4500\pi \text{ in}^3

Therefore, the volume of the given sphere is 4500\pi\text{ in}^3 and option B is the correct choice.

8 0
3 years ago
A plane intersects both nappes of a double-napped cone but does not go through the vertex of the cone. What conic section is for
lisabon 2012 [21]
<span>When a plane intersects both nappes of a double-napped cone but does not go through the vertex of the cone, the conic section that is formed by the intersection is a curve known as hyperbola. 
 The standard form of the equation of the hyperbola is shown below:
 [(x-h)^2/a^2]-[(y-k)^2/b^2]=1 (Horizontal axis)
 </span>[(y-k)^2/a^2]-[(x-h)^2/b^2]=1 (Vertical axis)<span>
  Therefore, the answer is: Hyperbola.
</span>
3 0
2 years ago
Anyone ????NEED HELP PICTURE
disa [49]
The correct answer is A, x-4
3 0
3 years ago
Other questions:
  • To which power must you raise the expression y 1/5 to get y as the result
    7·1 answer
  • Which statement illustrates the transitive property for congruence of triangles? A. If A D and D X, then A X B. If ABC DEF then
    7·2 answers
  • What’s the prime factor** of 630
    8·1 answer
  • Alg 1 Wee
    6·1 answer
  • Translate: The product of 8 and the sum of a number and -4
    10·1 answer
  • the price of a jeep dropped from 27,000 to 22,900. What was the percent decrease in price (round to nearest hundredth percent)?
    15·1 answer
  • Simplify 52 · 59.<br><br> 511<br><br> 518<br><br> 2511<br><br> 2518
    12·2 answers
  • A tailor cut 6 2/3 inches off a skirt and 1/12 of an inch off a pair of pants. How much more did the tailor cut off the skirt th
    12·1 answer
  • A motorcycle is 90 inches long. A car is 75% longer than the motorcycle. How long is the car?
    10·1 answer
  • Classify the following triangle. Check all that apply.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!